--- a/javauis/mmapi_akn/baseline/src/cmmacameraplayer.cpp Thu Jul 15 18:31:06 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,671 +0,0 @@
-/*
-* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: This class is used for playing camera.
-*
-*/
-
-
-// INCLUDE FILES
-#include <jdebug.h>
-#include <fbs.h>
-#include "cmmacameraplayer.h"
-#include "tmmaparametervalidator.h"
-#include "mmmadisplay.h"
-#include "cmmacamerasound.h"
-
-#if defined( __WINS__ )
-#include <w32std.h>
-#endif
-
-// CONSTANTS
-_LIT8(KImageJpegMime, "image/jpeg");
-_LIT8(KJpegMime, "jpeg");
-_LIT(KVideoControlName, "VideoControl");
-
-CMMACameraPlayer* CMMACameraPlayer::NewLC(TInt aCameraIndex)
-{
- CMMACameraPlayer* self = new(ELeave) CMMACameraPlayer;
- CleanupStack::PushL(self);
- self->ConstructL(aCameraIndex);
- return self;
-}
-
-CMMACameraPlayer::~CMMACameraPlayer()
-{
- DEBUG("CMMACameraPlayer::~CMMACameraPlayer");
-
- // Free (duplicated) UI camera resources first.
- // Window is not able to send any
- // callback requests to UI from now.
- if (iWindow)
- {
- iWindow->SetDisplay(NULL);
- }
-
- if (iCamera)
- {
- iCamera->CancelCaptureImage();
- iCamera->Release();
- delete iCamera;
- }
-
- delete iSnapshotEncoded;
- delete iSnapshotBitmap;
- delete iRealizeWait;
-
- if (iDisplay && iDisplay->HasContainer())
- {
- // Window will delete itself
- // after all pending events are processed
- // (lazy delete)
- iDisplay->UIGetCallback(
- *iWindow, CMMACameraWindow::EDestroyWindow);
- }
- else
- {
- delete iWindow;
- }
- iWindow = NULL;
-}
-
-
-CMMACameraPlayer::CMMACameraPlayer():
- iDisplay(NULL),
- iSourceSizeIndex(KErrNotFound),
- iStartTime(KErrNotFound)
-{
- iStopViewFinder = ETrue;
-}
-
-
-void CMMACameraPlayer::ConstructL(TInt aCameraIndex)
-{
- CMMAPlayer::ConstructL();
-
- if (aCameraIndex >= CCamera::CamerasAvailable())
- {
- // image capture is not supported
- User::Leave(KErrNotFound);
- }
-
- iCamera = CCamera::NewL(*this, aCameraIndex);
-
- iWindow = CMMACameraWindow::NewL(iCamera->Handle());
-
- TCameraInfo cameraInfo;
- iCamera->CameraInfo(cameraInfo);
-
- if (cameraInfo.iNumImageSizesSupported < 1)
- {
- // image capture is not supported
- User::Leave(KErrNotFound);
- }
-
- // default snapshot size
- iSourceSizeIndex = cameraInfo.iNumImageSizesSupported - 1;
-
- iRealizeWait = new(ELeave)CRealizeWait;
-}
-
-TInt64 CMMACameraPlayer::CurrentTime()
-{
- TTime time;
- time.HomeTime();
- return time.Int64();
-}
-
-void CMMACameraPlayer::ResolveViewFinderSizeL(TSize& aSize)
-{
- DEBUG("CMMACameraPlayer::ResolveViewFinderSizeL");
-
- TSize resultSize;
-
- // The only way to find out the size is to start the view finder
- // with a proper size (screen size).
-
- ResolveScreenSizeL(resultSize);
-
- // StartViewFinderBitmapsL changes resultSize to
- // the used view finder size.
- // Used to get the source size only.
- iCamera->StartViewFinderBitmapsL(resultSize);
-
- // Bitmap viewfinder is not used anymore.
- iCamera->StopViewFinder();
-
- aSize = resultSize;
-}
-
-void CMMACameraPlayer::ResolveScreenSizeL(TSize& aSize)
-{
- DEBUG("CMMACameraPlayer::ResolveScreenSizeL");
-
-#if defined( __WINS__ )
- TSize size(0,0);
- RWsSession ws;
-
- if (ws.Connect() == KErrNone)
- {
- CleanupClosePushL(ws);
-
- CWsScreenDevice* wsScreenDevice = new(ELeave)CWsScreenDevice(ws);
- CleanupStack::PushL(wsScreenDevice);
-
- User::LeaveIfError(wsScreenDevice->Construct());
-
- size = wsScreenDevice->SizeInPixels();
-
- CleanupStack::PopAndDestroy(2); // wsScreenDevice, ws.Close()
- }
-
- aSize = size;
-
-#else
- TScreenInfoV01 info;
- TPckgBuf< TScreenInfoV01 > buf(info);
-
- UserSvr::ScreenInfo(buf);
- info = buf();
-
- aSize = info.iScreenSize;
-#endif
-}
-
-void CMMACameraPlayer::ResolveCaptureSizes(const CCamera::TFormat aFormat,
- const TInt aNumImageSizesSupported,
- const TSize& aRequestSize,
- TSize& aSourceSize,
- TInt& aSourceIndex,
- TInt& aLargestIndex)
-{
- // Largest image size
- TSize largestSize;
- // Index to largest image size
- TInt largestSizeIndex = 0;
- // Source size
- TSize sourceSize;
- // Default source size index not set
- TInt sourceSizeIndex = KErrNotFound;
- // Temporary size for iterating capture sizes
- TSize tmpSize;
-
- DEBUG_INT("MMA::CMMACameraPlayer::ResolveCaptureSizes: aFormat = 0x%x", aFormat);
-
- // go through all supported sizes.
- // Notice: Capture sizes are assumed to be in order from smaller to larger sizes
- for (TInt i = 0; i < aNumImageSizesSupported; i++)
- {
- iCamera->EnumerateCaptureSizes(tmpSize,
- i,
- aFormat);
-
- DEBUG_INT("MMA::CMMACameraPlayer::ResolveCaptureSizes: tmpSize.iWidth = %d", tmpSize.iWidth);
- DEBUG_INT("MMA::CMMACameraPlayer::ResolveCaptureSizes: tmpSize.iHeight = %d", tmpSize.iHeight);
-
- // Check if current is the largest
- if ((largestSize.iWidth < tmpSize.iWidth) &&
- (largestSize.iHeight < tmpSize.iHeight))
- {
- largestSize = tmpSize;
- largestSizeIndex = i;
- }
-
- // If wanted size is smaller than tmpSize we can use it
- if ((aRequestSize.iWidth <= tmpSize.iWidth) &&
- (aRequestSize.iHeight <= tmpSize.iHeight))
- {
- sourceSize = tmpSize;
- sourceSizeIndex = i;
- }
- }
-
- DEBUG_INT("MMA::CMMACameraPlayer::ResolveCaptureSizes: sourceSizeIndex = %d", sourceSizeIndex);
- DEBUG_INT("MMA::CMMACameraPlayer::ResolveCaptureSizes: largestSizeIndex = %d", largestSizeIndex);
-
- aSourceSize = sourceSize;
- aSourceIndex = sourceSizeIndex;
- aLargestIndex = largestSizeIndex;
-}
-
-void CMMACameraPlayer::StartL(TBool aPostEvent)
-{
- DEBUG_INT("CMMACameraPlayer:StartL iState %d", iState);
-
- // start can't be called to not ready player
- if (iState == EPrefetched)
- {
- // camera passes ready images through
- // ViewFinderFrameReady method
-
- // set time when started
- iStartTime = CurrentTime();
-
- // inform java side
- ChangeState(EStarted);
-
- TInt64 time;
- GetMediaTime(&time);
-
- // Notify the camera window
- // about the status change
- iWindow->SetStarted(ETrue);
-
- if (aPostEvent)
- {
- // inform java side
- PostLongEvent(CMMAPlayerEvent::EStarted, time);
- }
- }
- PostActionCompleted(KErrNone); // java start return
-}
-
-void CMMACameraPlayer::StopL(TBool aPostEvent)
-{
- DEBUG_INT("CMMACameraPlayer::StopL", iState);
- if (iState == EStarted)
- {
- TInt64 time;
- GetMediaTime(&time); // add played time to media time
-
- if (iStopViewFinder && iWindow->ViewFinderActive())
- {
- iWindow->SetStarted(EFalse);
- }
- iStartTime = KErrNotFound;
-
- if (aPostEvent)
- {
- PostLongEvent(CMMAPlayerEvent::EStopped, time);
- }
-
- // go back to prefetched state
- ChangeState(EPrefetched);
- }
-}
-
-void CMMACameraPlayer::DeallocateL()
-{
- // If player is started when deallocate is called,
- // player is stopped from java side -> state is changed to
- // prefetched.
- // In prefetched state only reserved resource is
- // camera reserve( released with iCamera->Release() )
- // In realized state no resources have been reserved.
- // CHANGED: not releasing camera anymore, since it is already
- // done in realized state
- if (iState == EPrefetched)
- {
- ChangeState(ERealized);
- }
-}
-
-
-void CMMACameraPlayer::RealizeL()
-{
- iCamera->Reserve();
- // this lock will be released when power on is completed (or error)
- if (!iRealizeWait->IsStarted())
- {
- iRealizeWait->Start();
- }
- User::LeaveIfError(iRealizeWait->iError);
- CMMAPlayer::RealizeL();
-}
-
-
-void CMMACameraPlayer::PrefetchL()
-{
- DEBUG("MMA::CMMACameraPlayer::PrefetchL");
- // nothing to do here
- ChangeState(EPrefetched);
- PostActionCompleted(KErrNone);
-}
-
-
-void CMMACameraPlayer::GetDuration(TInt64* aDuration)
-{
- // camera viewer has no duration.
- *aDuration = KTimeUnknown;
-}
-
-
-void CMMACameraPlayer::SetMediaTimeL(TInt64* /*aTime*/)
-{
- DEBUG("MMA::CMMACameraPlayer::SetMediaTimeL ");
- // with camera media time is not supported.
-}
-
-
-void CMMACameraPlayer::GetMediaTime(TInt64* aMediaTime)
-{
- if (iState == EStarted)
- {
- // add play time to media time
- iMediaTime += CurrentTime() - iStartTime;
- // set new start time
- iStartTime = CurrentTime();
- }
-
- // set value to parameter
- (*aMediaTime) = iMediaTime;
-}
-
-void CMMACameraPlayer::CloseL()
-{
- DEBUG("MMA::CMMACameraPlayer::CloseL()");
-
- // cancel all activity
- iCamera->CancelCaptureImage();
-
- // Stop and release UI Camera instance
- iWindow->SetDisplay(NULL);
-
- // we don't need reserve camera anymore
- iCamera->Release();
-
- CMMAPlayer::CloseL();
-}
-
-const TDesC& CMMACameraPlayer::Type()
-{
- return KMMACameraPlayer;
-}
-
-// MCameraObserver
-void CMMACameraPlayer::ReserveComplete(TInt aError)
-{
- DEBUG_INT("MMA::CMMACameraPlayer::ReserveComplete %d", aError);
- if (aError == KErrNone)
- {
- // camera will notify completion with PowerOnComplete method.
- iCamera->PowerOn();
- }
- else
- {
- // release lock and store error. State doesn't change.
- iRealizeWait->iError = aError;
- iRealizeWait->AsyncStop();
- }
-
-}
-
-void CMMACameraPlayer::PowerOnComplete(TInt aError)
-{
- DEBUG_INT("MMA::CMMACameraPlayer::PowerOnComplete %d", aError);
-
- TSize viewFinderSize;
- TInt error = aError;
-
- if (error == KErrNone)
- {
- // The view finder size must be known after prefetching.
- TRAP(error, ResolveViewFinderSizeL(viewFinderSize));
- }
-
- if (error == KErrNone)
- {
- iSize = viewFinderSize;
-
- if (iDisplay)
- {
- iDisplay->SourceSizeChanged(iSize);
- NotifyWithStringEvent(CMMAPlayerEvent::ESizeChanged, KVideoControlName);
- }
- }
-
- iRealizeWait->iError = error;
- iRealizeWait->AsyncStop();
-}
-
-void CMMACameraPlayer::ViewFinderFrameReady(CFbsBitmap& /*aFrame*/)
-{
- // Empty implementation of an interface method.
- // DirectViewFinder is used
- // instead of BitmapViewFinder
-}
-
-void CMMACameraPlayer::ImageReady(CFbsBitmap* aBitmap,
- HBufC8* aData,
- TInt aError)
-{
- DEBUG_INT("MMA::CMMACameraPlayer::ImageReady %d", aError);
-
- // This method should never be called,
- // unless we are taking snapshot
- __ASSERT_DEBUG(iSnapshotStatus, User::Invariant());
-
- __ASSERT_DEBUG(!iSnapshotBitmap, User::Invariant());
- __ASSERT_DEBUG(!iSnapshotEncoded, User::Invariant());
-
- if (aError == KErrNone)
- {
- // this class has ownership of the bitmap until
- // snapshot bitmap is got from this class.
- iSnapshotBitmap = aBitmap;
- iSnapshotEncoded = aData;
- }
-
- // notify the caller, error code or KErrNone
- User::RequestComplete(iSnapshotStatus, aError);
- iWindow->SetStarted(ETrue);
- // Status is not needed anymore
- // and this class don't own the status.
- iSnapshotStatus = NULL;
-}
-
-void CMMACameraPlayer::FrameBufferReady(MFrameBuffer* /*aFrameBuffer*/,
- TInt /*aError*/)
-{
- DEBUG("MMA::CMMACameraPlayer::FrameBufferReady");
- // this callback will never be called
- // Asserted in debug build to be sure.
- __ASSERT_DEBUG(EFalse, User::Invariant());
-}
-
-void CMMACameraPlayer::SetDisplayL(MMMADisplay* aDisplay)
-{
- DEBUG("MMA::CMMACameraPlayer::SetDisplay");
-
- // now it is ready to draw
- iDisplay = aDisplay;
-
- // Passes display into iWindow.
- // Allocates all resources needed to use a camera DirectViewFinder.
- iWindow->SetDisplay(aDisplay);
-
- iDisplay->SetWindowL(iWindow);
-
- // Set view finder size to the display only if the view finder
- // size has been resolved.
- if (iSize != TSize(0, 0))
- {
- iDisplay->SourceSizeChanged(iSize);
- NotifyWithStringEvent(CMMAPlayerEvent::ESizeChanged, KVideoControlName);
- }
-}
-
-TSize CMMACameraPlayer::SourceSize()
-{
- return iSize;
-}
-
-MMMASnapshot::TEncoding CMMACameraPlayer::TakeSnapshotL(TRequestStatus* aStatus,
- const TSize& aSize,
- const CMMAImageSettings& aSettings)
-{
- __ASSERT_DEBUG(!iSnapshotStatus, User::Invariant());
- __ASSERT_DEBUG(!iSnapshotBitmap, User::Invariant());
- __ASSERT_DEBUG(!iSnapshotEncoded, User::Invariant());
-
- // snapshots can not be taken if player is not realized
- if (iState < ERealized)
- {
- User::Leave(KErrNotReady);
- }
- // save status which will be notified
- iSnapshotStatus = aStatus;
-
- // changing status to pending
- *iSnapshotStatus = KRequestPending;
-
- // Source size not set in the beginning
- TSize sourceSize;
-
- // Use default if size is not specified.
- TInt sourceSizeIndex = iSourceSizeIndex;
-
- // Largest image size index
- TInt largestSizeIndex = 0;
-
- // Get camera characteristics
- TCameraInfo cameraInfo;
- iCamera->CameraInfo(cameraInfo);
-
- // Set default snapshot encoding type
- TEncoding encoding = EBitmap;
-
- // Set default image capture format
- CCamera::TFormat format = CCamera::EFormatFbsBitmapColor16M;
-
- DEBUG_INT("MMA::CMMACameraPlayer::TakeSnapshotL: cameraInfo.iImageFormatsSupported = 0x%x", cameraInfo.iImageFormatsSupported);
- DEBUG_INT("MMA::CMMACameraPlayer::TakeSnapshotL: cameraInfo.iNumImageSizesSupported = %d", cameraInfo.iNumImageSizesSupported);
-
- // Check if size was set in Java
- if (aSize.iWidth != KErrNotFound &&
- aSize.iHeight != KErrNotFound)
- {
- // Determine if jpeg capture was requested
- if ((*aSettings.iMimeType == KJpegMime) ||
- (*aSettings.iMimeType == KImageJpegMime))
- {
- // Shortcut for supported image formats
- TUint32 imageFormats = cameraInfo.iImageFormatsSupported;
-
- // Jpeg subtype constants
- _LIT8(KJpegJfif, "jfif");
- _LIT8(KJpegExif, "exif");
-
- // Resolve requested jpeg subtype from settings and camerainfo
- if ((imageFormats & CCamera::EFormatJpeg) &&
- (*aSettings.iType == KJpegJfif))
- {
- // JFIF JPEG
- format = CCamera::EFormatJpeg;
- encoding = EEncoded;
- }
- else if ((imageFormats & CCamera::EFormatExif) &&
- (*aSettings.iType == KJpegExif))
- {
- // EXIF JPEG
- format = CCamera::EFormatExif;
- encoding = EEncoded;
- }
- }
-
- // Try to resolve nearest source size to the one requested,
- // except for the JFIF and EXIF jpeg subtypes the match has
- // to be exact otherwise non-encode capture format will be
- // used
- ResolveCaptureSizes(format,
- cameraInfo.iNumImageSizesSupported,
- aSize,
- sourceSize,
- sourceSizeIndex,
- largestSizeIndex);
-
- // Format was either of the jpeg formats and requested size
- // didn't match the source size
- if ((format >= CCamera::EFormatJpeg &&
- format <= CCamera::EFormatExif) &&
- (aSize != sourceSize))
- {
- // Try again with an non-encoded format
- format = CCamera::EFormatFbsBitmapColor16M;
- encoding = EBitmap;
- ResolveCaptureSizes(format,
- cameraInfo.iNumImageSizesSupported,
- aSize,
- sourceSize,
- sourceSizeIndex,
- largestSizeIndex);
- }
-
- if (sourceSizeIndex == KErrNotFound)
- {
- // If correct index was not found use the largest.
- sourceSizeIndex = largestSizeIndex;
- }
- }
- // else use default iSourceSizeIndex and default image capture format
-
- iCamera->PrepareImageCaptureL(format,
- sourceSizeIndex);
-
- // play sound when capturing image
- CMMACameraSound::PlayImageCaptureSoundL();
-
- // start capture, ImageReady will be called when ready
- iWindow->SetStarted(EFalse);
-
- iCamera->CaptureImage();
-
- DEBUG_INT("MMA::CMMACameraPlayer::TakeSnapshotL: format = 0x%x", format);
- DEBUG_INT("MMA::CMMACameraPlayer::TakeSnapshotL: sourceSizeIndex = %d", sourceSizeIndex);
- DEBUG_INT("MMA::CMMACameraPlayer::TakeSnapshotL: encoding = %d", encoding);
-
- // Inform caller which snapshot encoding was ultimately used
- return encoding;
-}
-
-CFbsBitmap* CMMACameraPlayer::SnapshotBitmap()
-{
- CFbsBitmap* bitmap = iSnapshotBitmap;
-
- // ownership transfers to the caller
- iSnapshotBitmap = NULL;
- return bitmap;
-}
-
-HBufC8* CMMACameraPlayer::SnapshotEncoded()
-{
- HBufC8* encoded = iSnapshotEncoded;
-
- // ownership transfers to the caller
- iSnapshotEncoded = NULL;
- return encoded;
-}
-
-void CMMACameraPlayer::NotifyWithStringEvent(
- CMMAPlayerEvent::TEventType aEventType,
- const TDesC& aStringEventData)
-{
- PostStringEvent(aEventType, aStringEventData);
-}
-
-MMMASnapshot* CMMACameraPlayer::SnapshoterL()
-{
- return this;
-}
-
-TInt CMMACameraPlayer::CameraHandle()
-{
- return iCamera->Handle();
-}
-
-void CMMACameraPlayer::SetViewFinderMode(TBool aStopViewFinder)
-{
- iStopViewFinder = aStopViewFinder;
-}
-
-// END OF FILE